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Dr. Mehmet Osman Akcakaya is a neurosurgeon with 18 years of experience. He specializes in microneurosurgery and functional neurosurgery. He treats head trauma, brain tumors, Parkinson’s disease, and spinal disorders. Dr. Akcakaya uses advanced surgical techniques for these complex conditions.

He has received several awards, including the Second Prize for 'Best Oral Presentation' at the Congress of the Nervous System Surgery Society. He completed a 4-year training program with the European Association of Neurosurgical Societies (EANS). He also holds the EANS board certificate (Part I). Dr. Akcakaya has completed fellowships in Israel and Germany.

He is a member of the Turkish Association of Neurosurgery and EANS. He has also served on scientific committees for international courses on endoscopic spine surgery.

Dr. Azmi Hamzaoglu is a leading spine surgeon with 36 years of experience in orthopedics and traumatology. He founded the Istanbul Scoliosis and Spine Center, the first facility in Turkey focused on spine surgery.

Dr. Hamzaoglu has performed thousands of complex surgeries, such as discectomy, kyphoplasty, scoliosis correction, and anterior cervical discectomy and fusion. He is known for developing new surgical techniques and has played a key role in improving spine care in Turkey.

He is a member of the Turkish Medical Association. He has also held important academic and clinical leadership positions, showing his dedication to high standards and patient care in spine surgery.

Pediatrician, Pediatric Gastroenterology and Nutrition Specialist

Education

Yeditepe University School of Medicine

Professor of Pediatrics (Chair of the Department)

2004 - 2007

Dokuz Eylül University School of Medicine

Pediatric Gastroenterology Sub-specialty

1995 – 1998

Hacettepe University School of Medicine

Pediatrics Instructor

1985 - 1987

Professional Experience

Ataşehir Florence Nightingale Hospital

Pediatrician, Pediatric Gastroenterology

2017 – Present

Kadıköy Şifa Ataşehir Hospital

Pediatric Gastroenterology and Nutrition

2013 – 2017 

Dokuz Eylül University School of Medicine

Professor of Pediatrics

1994 – 2004

Publications

Cevik N, Buyukgebiz B. Interaction between human blood group (ABO) substances and enteropathogenic

bacterial agents. Turk J Pediatr. 1987. Link

Buyukgebiz B, Ozalp I, Oran O. Investigation of serum vitamin A levels of children who had a history of

recurrent diarrhoea. J Trop Pediatrics. 1990. Link

Languages

Turkish: Native

English: Advanced

2013 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL ATASEHIR HOSPITAL

Pediatric Chest Diseases Specialist

2013 - Present, Istanbul/Istanbul/Türkiye

MARMARA UNIVERSITY FACULTY OF MEDICINE

Member of the Department of Pediatric Chest Diseases

Prof. Dr. Salih Murat İmer is a neurosurgeon with over 30 years of experience. He founded and led the Neurosurgery Department at Okan University Hospital. He has written 68 scientific articles and contributed to 9 book chapters. Dr. İmer has also presented at 33 international congresses, showing his influence in neurosurgery worldwide.

Dr. İmer holds advanced certifications in functional and stereotactic neurosurgery, Leksell Gamma Knife radiosurgery, and endoscopic spine surgery. He received specialized training in several European countries. He has worked with leading experts such as Prof. Matti Vapalahti and Prof. Juha Hernesniemi. Through these collaborations, he has helped improve neurosurgical practice and education around the world.

Education and Specialization

• Bachelor’s Degree in Medicine (English) – Hacettepe University, 1997
• Master’s Degree – Department of Internal Medicine, Akdeniz University, 2004
• Ph.D. / Proficiency / Medical Specialization – Division of Gastroenterology, Akdeniz University, 2007

Experience

• Akdeniz University Faculty of Medicine 1998/2004
• Akdeniz University Faculty of Medicine  2004/2007
• Urfa Training and Research Hospital 2008/2009
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology  2010/2011
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology 2011/2013
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology 2013/2017
• Medical Park Antalya Hospital, Gastroenterology Department and Organ Transplant Center

Dr. Yigit Changa is an Associate Professor of Cardiology. He received advanced training at Dr. Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital. He became a cardiology specialist in 2016 and completed his residency in 2010. Dr. Changa is a member of the Turkish Society of Cardiology and the Turkish Medical Association.

He has worked at leading hospitals, including Ataşehir and Kadıköy Florence Nightingale Hospitals. Dr. Changa speaks English fluently. He has a solid academic and clinical background in cardiology.

Prof. Dr. Alaettin Çelik graduated from Adapazarı İlyaslar Primary School in 1960, from Haydarpaşa High School in 1966, and from Istanbul University Faculty of Medicine in 1972. In the same year, he became an assistant in the 2nd Surgery Department of the Faculty of Medicine. Between November 1975 and February 1976, he completed his military service for 4 months at the Gelibolu Military Hospital as a Reserve Officer. In 1977, he became a General Surgery Specialist in the Department of Surgery.

To establish the pediatric surgery department at the faculty and to specialize further, he worked as a registrar at the University of London's "The Hospital for Sick Children" from 01.12.1978 to 01.12.1980. After returning to the faculty, he continued his pediatric surgery studies and became an associate professor in 1982.

In the same year, he was appointed as the founding chairman of the Pediatric Surgery Department at Istanbul Faculty of Medicine on 06.09.1982. He established the department, which included a 30-bed inpatient unit, an ICU, a polyclinic, and an operating room for students, assistants, and specialists. In 1988, he became a professor. In addition to leading the Pediatric Surgery Department, he served as the Vice President of the Department of Surgical Medical Sciences between 1990 and 1995. From 1995 to 1998, he was the Head of the Department of Surgical Medical Sciences at Istanbul Faculty of Medicine.

He is a specialist in General Surgery, Pediatric Surgery, and Pediatric Urology. He has numerous cited and published clinical and experimental research articles, case reports, expert theses, and free papers presented at domestic and international congresses. He is the author of several books, including Pediatric Surgery Book of Pediatric Surgery (2014), Newborn Surgery (2008), and Pediatric Surgery Book (2013).

He is a member of various professional medical associations, including the Turkish Ministry of Health Pediatric Surgery Society. He established, developed, and trained a large number of students, assistants, specialists, and faculty members at the Istanbul Faculty of Medicine, Department of Pediatric Surgery. He left the Department of Pediatric Surgery in 2013 and retired due to age limits on 16.03.2016. His contracted working period at the same faculty ended on 22.10.2016. He continues to work as a Pediatric Surgery Specialist at Istanbul Florence Nightingale Hospital and participates in weekly meetings of the Council of Children's Tumors.

EXPERIENCE

2017 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL ATAŞEHİR HOSPITAL

Chest Diseases and Tuberculosis Specialist

2009 - 2016, Istanbul/Istanbul/Türkiye

MALTEPE UNIVERSITY FACULTY OF MEDICINE

Dean<br>Department of Pulmonary Diseases<br>Senator<br>Faculty Board Member

2005 - 2009, Istanbul/Istanbul/Türkiye

SÜREYYAPAŞA CHEST DISEASES AND THORACIC SURGERY TRAINING AND RESEARCH HOSPITAL

Chest Diseases Clinic Chief

1991 - 2005, Istanbul/Istanbul/Türkiye

HEYBELİADA CHEST DISEASES THORACIC SURGERY TRAINING AND RESEARCH HOSPITAL

Chief Physician<br>Chief of Chest Diseases Clinic

1989 - 1991, Istanbul/Istanbul/Türkiye

ÇAMLICA MILITARY CHEST DISEASES HOSPITAL

Medical Second Lieutenant

1984 - 1989, Montreal/Montreal/Türkiye

MALATYA STATE HOSPITAL

Chest Diseases Specialist

Dr. Ergun Tozkoparan is a pulmonologist with expertise in diagnosing and treating lung diseases. He has a special focus on tuberculosis. He received his medical degree from GATA Military Medical School in 1989. He completed his pulmonology training at GATA, Ankara in 1996.

Dr. Tozkoparan has worked in leading hospitals in Turkey. He also served as a professor at the GATA Department of Pulmonology. He gained further experience in interventional pulmonology during a year at the University of Texas, MD Anderson Cancer Center.

In 2007, Dr. Tozkoparan published research in CCLM. He showed important changes in platelet indices in patients with tuberculosis. This work helped improve how the disease is monitored and managed.

Education

MD; Hacettepe University Faculty of Medicine (2001)

Residencies

Internal Medicine; Ministry of Health Ankara Diskapi Education and Research Hospital (2009)

Pathology; Gazi University Faculty of Medicine (2004)

Fellowships

Gastroenterology and Hepatology; Necmettin Erbakan University Faculty of Medicine (2013)

Experiences

Demiroglu Bilim University Faculty of Medicine, Department of Gastroenterology and Hepatology

Istanbul Florence Nightingale Hospital (2019- currently)

Alanya Alaaddin Keykubat University Faculty of Medicine, Department of Gastroenterology and Hepatology (2017-2019)

Bundang CHA Hospital, Seoul, Korea (2018)

Konya Education and Research Hospital, Department of Gastroenterology  (2014-2017)

Certificates

Advanced Endoscopy Certificate, Bundang CHA Hospital, Seoul, Korea, 2018

Bariatric Endoscopy Certificate, Bariatric Endoscopy Global course, Sao Paulo, Brazil, 2020

Awards

2019 Rising Star, 10th Digestive Disease and Endoscopy Symposium

Memberships

Turkish Society of Internal Medicine

Turkish Society of Gastroenterology

ERCP Study Group at Turkish Society of Gastroenterology

European Society of Gastrointestinal Endoscopy

Women in Endoscopy, American Society of Gastrointestinal Endoscopy

Education and Specialization

• 1989 - 1995 Ondokuz Mayıs University Faculty of Medicine
• Istanbul University, Istanbul Faculty of Medicine – Specialization
• 2006 - Associate Professorship, Başkent University Faculty of Medicine

Experience

• 1995 - 1996 - Assistant Doctor, Emergency Department, Ardahan State Hospital
• 1996 - 1997 - Atatürk University Faculty of Medicine
• 1997 - 2002 - Istanbul University, Istanbul Faculty of Medicine, Department of Cardiology
• 2002 - Istanbul University, Istanbul Faculty of Medicine, Department of Cardiology
• 2003 - 2007 - Başkent University Konya Research and Application Center
• 2007 - 2012 - Süleyman Demirel University Faculty of Medicine, Department of Cardiology
• 2012 - 2017 - Süleyman Demirel University Faculty of Medicine, Department of Cardiology
• 2013 - 2014 - Mayo Clinic Echocardiography Lab, Rochester, MN, USA
• 2017 - 2020 - ASV Yaşam Hospital
• 2020 - 2021 - Antalya Anadolu Hospital

Education and Specialization

• 1989 - 1995 Ondokuz Mayıs University Faculty of Medicine
• Istanbul University, Istanbul Faculty of Medicine – Specialization
• 2006 - Associate Professorship, Başkent University Faculty of Medicine

Experience

• 1995 - 1996 - Assistant Doctor, Emergency Department, Ardahan State Hospital
• 1996 - 1997 - Atatürk University Faculty of Medicine
• 1997 - 2002 - Istanbul University, Istanbul Faculty of Medicine, Department of Cardiology
• 2002 - Istanbul University, Istanbul Faculty of Medicine, Department of Cardiology
• 2003 - 2007 - Başkent University Konya Research and Application Center
• 2007 - 2012 - Süleyman Demirel University Faculty of Medicine, Department of Cardiology
• 2012 - 2017 - Süleyman Demirel University Faculty of Medicine, Department of Cardiology
• 2013 - 2014 - Mayo Clinic Echocardiography Lab, Rochester, MN, USA
• 2017 - 2020 - ASV Yaşam Hospital
• 2020 - 2021 - Antalya Anadolu Hospital

Education and Specialization

• Uludağ University Faculty of Medicine
• Selçuk University Meram Faculty of Medicine, Department of Cardiology – Specialization

Experience

• Cleveland Clinic, Invasive Cardiology Unit, Ohio, USA
• Akdeniz University Faculty of Medicine, Department of Cardiology
• Antalya Yaşam Hospitals  

Dr. Saban Sec is a medical oncologist with experience at leading hospitals, including Haseki Training and Research Hospital, Prof. Dr. Cemil Taşcıoğlu City Hospital, and Bahçelievler Medikalpark Hospital. He currently represents specialist physicians in the Turkish Medical Oncology Association. He is also a member of the Istanbul Medical Chamber and the Turkish Medical Oncology Association.

Dr. Sec treats breast, lung, gastrointestinal, prostate, urogenital, head and neck cancers, as well as sarcomas and rare tumors. He has published many peer-reviewed articles on cancer prognosis, treatment outcomes, and survival rates. His research includes studies with large patient groups, such as 138 patients with HER2-positive metastatic gastric cancer. Dr. Sec focuses on prognostic factors and treatment responses in different cancers. He is dedicated to improving cancer care.

Education and Specialization

• 1982 - 1987: Ege University Faculty of Medicine
• 1987 - 1993: İzmir Atatürk Training and Research Hospital – Specialization

Experience

• 1993 - 1996: İzmir Atatürk State Hospital – Specialist Doctor
• 1996 - 1998: İnönü University Faculty of Medicine – Assistant Professor
• 1998 - 2001: İnönü University Faculty of Medicine – Associate Professor
• 2001 - 2005: Başkent University Adana Practice and Research Hospital – Associate Professor
• 2006 - 2007: Başkent University Adana Practice and Research Hospital – Professor
• 2007 - 2013: Başkent University Istanbul Practice and Research Hospital – Professor
• 2013 - 2015: Hisar Intercontinental Hospital, Istanbul – Professor
• 2015 - Present: Acıbadem Bakırköy Hospital, Istanbul – Professor

Education and Specialization

• 2004/2010: Fırat University Faculty of Medicine
• 2012/2017: Uludağ University Faculty of Medicine – Specialization

Experience

• 2017/2021: Ankara Training and Research Hospital
• 2021/2023: Kilis State Hospital
• 2023/2024: Private Gaziantep Emek Hospital

Professional Memberships

• Aesthetic and Cosmetic Dermatology Society (Estetik ve Kozmetik Dermatoloji Derneği)
• Turkish Dermatology Society (Türk Dermatoloji Derneği)
• Turkish Medical Association (Türk Tabipler Birliği)